65816 Addressing mode: Stop the Clock -- h
(STP)
(1 byte) (3 cycles)
+---------------+------------------+-----------------------+----------+
| Cycle | Address Bus | Data Bus |Read/Write|
+---------------+------------------+-----------------------+----------+
| 1 | PBR,PC | Op Code | R |
| 2 | PBR,PC+1 | Internal Operation | R |
| RES=1 3 | PBR,PC+1 | Internal Operation | R |
| RES=0 1c | PBR,PC+1 | RES(BRK) | R |
| RES=0 1b | PBR,PC+1 | RES(BRK) | R |
| RES=1 1a | PBR,PC+1 | RES(BRK) | R |
| 1 | PBR,PC+1 | BEGIN | R |
+---------------+------------------+-----------------------+----------+
See also: Abbreviations
Hardware interrupt